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Image & design
58 toolsImage tools
Image Compressor
Shrink JPEG, PNG, or WebP images locally with a quality control, while keeping the original dimensions for easy sharing.
Image tools
Image Cropper
Crop JPEG, PNG, or WebP images by precise pixel coordinates, preview the selection, and download a focused new image.
Image tools
Image to WebP
Convert JPEG or PNG images to WebP in your browser, with a quality setting and a ready-to-download result.
Image tools
Image to JPG
Convert PNG or WebP images to JPG locally with adjustable quality and a preview, ready for download when finished.
Image tools
Image Resizer
Resize a JPEG, PNG, or WebP image to exact pixel dimensions in your browser, with an optional locked aspect ratio and no upload.
Image tools
Image Rotator
Rotate a JPEG, PNG, or WebP image by an exact angle in your browser, with quick quarter-turn controls and no upload.
Image tools
Image Watermark
Add a text or image watermark to a JPEG, PNG, or WebP file in your browser, with position, size, color, and opacity controls.
Image tools
Image Color Picker
Pick an exact pixel from a JPEG, PNG, or WebP image and read its HEX, HEXA, RGB, and RGBA color values in your browser.
Image tools
Add Audio to Video
Replace a video’s audio with a browser-decodable audio file and download a real WebM video, entirely in your browser.
Image tools
Blur Face
Blur or pixelate a manually selected face-sized rectangle in your browser, then export a new JPEG, PNG, or WebP file.
Image tools
Change Image Colors
Adjust the global hue, saturation, brightness, or RGB channels of a local JPEG, PNG, or WebP image and download a PNG, JPEG, or WebP copy.
Image tools
Change Image Opacity
Change the opacity of a JPEG, PNG, or WebP image in your browser, preview the transparent result, and download a new PNG without uploading the source.
Image tools
Color Mixer
Mix two to four colors with adjustable weights, compare RGB and HSL interpolation, and read HEX, RGB, HSL, and contrast values locally.
Image tools
Convert from JPG
Convert a JPG to PNG or WebP locally in your browser, with a quality control for WebP and no image upload.
Image tools
Create PDF with a Camera
Take one photo or choose one image, then download a real single-page PDF created privately in your browser.
Image tools
Create Transparent Image
Make a chosen color transparent in a JPEG, PNG, or WebP image with an explicit RGB tolerance, preview, and PNG download in your browser.
Image tools
GIF Speed Changer
Change an animated GIF playback speed locally, then download a newly encoded GIF89a file with the same canvas and frames.
Image tools
HEX to RGBA Converter
Convert 3, 4, 6, or 8 digit HEX colors into normalized RGBA values and copy-ready CSS in your browser.
Image tools
HTML to Image
Turn a restricted, text-focused HTML fragment into a downloadable PNG or JPEG locally, without loading its scripts, styles, links, or assets.
Image tools
Image Average Color Finder
Find the average RGB, HEX, HSL, and alpha color of a JPEG, PNG, or WebP image locally in your browser.
Image tools
Image Color Extractor
Extract a ranked palette from a JPEG, PNG, or WebP image locally, with HEX values, pixel shares, and one-click copying.
Image tools
Image Editor
Edit a JPEG, PNG, or WebP image in your browser with crop, rotation, scaling, and text annotation controls.
Image tools
Image Filters
Apply adjustable Canvas image filters to a local JPEG, PNG, or WebP image, preview the result, and download a filtered PNG, JPEG, or WebP copy.
Image tools
Image to Base64 Converter
Convert a local JPEG, PNG, GIF, WebP, or SVG image into Base64 text or a complete data URL in your browser.
Image tools
Images to GIF
Turn a small, ordered set of JPEG, PNG, or WebP images into a real animated GIF locally in your browser, with size, timing, and loop controls.
Image tools
Images to PDF
Combine a bounded set of JPEG, PNG, or WebP images into one real PDF locally in your browser, with page-size and margin controls.
Image tools
iMessage Chat Generator
Create an original fictional chat style conversation card in your browser and export it as a local PNG or HTML file.
Image tools
Instagram DM Generator
Create an original Instagram-style direct message conversation card with your own names and text, then preview or download it locally as a PNG.
Image tools
Instagram Filters
Apply free, generic photo filters to JPEG, PNG, or WebP images locally, preview the result, and download a new copy.
Image tools
Instagram Post Generator
Design an original square social post card from your own image or a blank canvas, add text and colors, and download a PNG locally.
Image tools
Instagram Story Generator
Create an original 9:16 social story draft from your own image or a blank canvas, add text and gradients, preview it on mobile, and download a PNG locally.
Image tools
JPG to PDF Converter
Turn JPG images into a real PDF locally in your browser, with A4 or Letter pages, clear orientation controls, and a direct download.
Image tools
JPG to PNG Converter
Convert a JPG image to PNG locally in your browser with a preview, exact pixel bounds, and a direct download.
Image tools
Loop Audio
Repeat a browser-supported audio file by loop count or exact target duration, then export a real 16-bit PCM WAV locally.
Image tools
Loop Video
Repeat a browser-playable video locally and export a newly recorded WebM video with clear duration and memory limits.
Image tools
Meme Generator
Add readable top and bottom captions to your own image or an original blank canvas, preview the result, and download a PNG locally.
Image tools
Merge Audio
Join several browser-decodable audio files in a chosen order and download one real 16-bit PCM WAV, entirely on your device.
Image tools
Merge Video
Join browser-decodable video clips in any order and download one real WebM video, entirely in your browser.
Image tools
PDF to Images
Render selected pages of a local PDF as real PNG images in your browser, with DPI and output limits.
Image tools
PDF to JPG Converter
Convert selected PDF pages to real JPG images in your browser, with page selection, scale, and quality controls.
Image tools
Photo Censor
Manually pixelate, blur, or cover selected image rectangles in your browser, then export a new JPEG, PNG, or WebP file.
Image tools
PNG Compressor
Create a smaller PNG candidate in your browser by resizing or deliberately reducing decoded RGB detail, then compare its actual file size before downloading.
Image tools
PNG to PDF Converter
Turn one PNG into a real, locally generated PDF with matching page dimensions, transparency support, and a direct download.
Image tools
Split Image
Split a local JPEG, PNG, or WebP image into a row, column, or grid of PNG tiles in your browser.
Image tools
SVG to PDF Converter
Check a local static SVG, rasterize it at a bounded size, and download a real one-page PDF without uploading the artwork.
Image tools
SVG to PNG Converter
Convert a checked SVG into a downloadable PNG at a deliberate size, background, and scaling mode in your browser.
Image tools
Micro-post Card Generator
Create an original micro-post card with a display name, handle, avatar, timestamp, and engagement stats, then export it as a PNG.
Image tools
Tweet to Image Converter
Turn tweet-style text, author details, timestamps, and engagement numbers into an original PNG card locally in your browser.
Image tools
Upscale Image
Enlarge a JPEG, PNG, or WebP image locally with Canvas, using a chosen scale or target size and a clear output limit.
Image tools
Video Speed Changer
Change a video playback speed locally in your browser and download a newly recorded video with its real supported format.
Image tools
Video to GIF
Turn a short browser-decodable video clip into a real animated GIF locally, with explicit clip, frame-rate, color, and size limits.
Image tools
Vimeo Thumbnail Grabber
Parse a public Vimeo URL or video ID locally and preview official Vimeo CDN thumbnail candidates.
Image tools
WebP to JPG
Convert a WebP image to JPG locally with adjustable quality, a chosen background for transparency, and a preview before download.
Image tools
WebP to PDF
Convert one WebP image into a real, single-page PDF locally in your browser, with a preview and direct download.
Image tools
WebP to PNG
Convert a WebP image to a lossless PNG locally with transparency preserved, a preview, and a download.
Image tools
WhatsApp Chat Generator
Create a fictional chat mockup with participants, messages, timestamps, and an original bubble theme, then export PNG or text locally.
Image tools
YouTube Thumbnail Grabber
Parse a YouTube URL or video ID locally and preview official thumbnail candidates for browser download.
Image tools
Color Converter
Convert HEX, RGB, and HSL colors locally, including alpha values, CSS percentage channels, and modern slash syntax.
Text & documents
92 toolsText tools
Text Replacer
Replace the first or every literal or regular-expression match locally, with explicit case, Unicode boundary, flag, and replacement-reference controls.
Text tools
Uppercase Converter
Convert pasted text to uppercase instantly in your browser while keeping spacing, punctuation, and line breaks easy to review.
Text tools
Text Compare
Compare two text passages in your browser by word, character, or line, with highlighted additions, removals, and a clear change summary.
Text tools
Rotate PDF Pages
Rotate selected PDF pages by 90, 180, or 270 degrees locally in your browser while preserving vector text and artwork.
Text tools
Add Page Numbers
Add page numbers to a local PDF in your browser with starting number, placement, size, color, and margin controls.
Text tools
Add Watermark
Add a text watermark to every page of a local PDF in your browser, with position, opacity, rotation, size, and color controls.
Text tools
Annotate PDF
Add a standard PDF sticky-note annotation at an exact page coordinate, or remove sticky notes created by this local tool.
Text tools
Audio Converter
Convert browser-decodable audio to a real 16-bit PCM WAV file locally, with preview and download.
Text tools
Audio Speed Changer
Change the speed of browser-decodable audio locally, listen to the result, and download a new uncompressed WAV file.
Text tools
Change CSV Separator
Convert a CSV file from comma, semicolon, tab, pipe, or a custom separator to another separator in your browser.
Text tools
Change PDF Document Information
Edit selected standard PDF document-information fields locally, then download a rewritten application/pdf file.
Text tools
Create Fillable PDF Form
Create a one-page fillable PDF contact form with text fields and a consent checkbox, entirely in your browser.
Text tools
Create Invoice
Draft an English invoice with a live preview and download a real PDF generated locally in your browser.
Text tools
Create PDF
Create a simple, real PDF from a title and basic Latin text in your browser, with page size, orientation, margins, and a direct download.
Text tools
Crop PDF
Crop every page of a local PDF by shared margins or an exact rectangle in PDF points, entirely in your browser.
Text tools
CSV Rows to Columns
Transpose CSV data by turning rows into columns locally in your browser, with quoted fields and empty cells preserved.
Text tools
CSV to TSV Converter
Convert CSV files or pasted CSV text to tab-separated values locally in your browser.
Text tools
Create Electronic Invoice
Create a local one-line invoice record as a real PDF summary and a self-defined XML file, entirely in your browser.
Text tools
Email Normalizer
Clean and normalize a batch of email addresses locally by trimming whitespace, lowercasing, removing exact duplicates, and flagging obvious format errors.
Text tools
Extract PDF Pages
Extract one page, a continuous range, or a custom page list from a local PDF and download a new PDF in your browser.
Text tools
Fill Out PDF
Fill text and checkbox fields in a local AcroForm PDF and download the completed PDF in your browser.
Text tools
Flatten PDF
Flatten standard AcroForm fields in a local PDF into page content and download a real application/pdf file.
Text tools
Halve PDF Pages
Split every PDF page into two vector pages horizontally or vertically, entirely in your browser.
Text tools
Insert CSV Columns
Insert one or more columns into CSV data with header names and default values directly in your browser.
Text tools
Create Invoice
Create a simple itemized invoice and download it as a real PDF, entirely in your browser.
Text tools
Job Application PDF
Create a clean, printable job application PDF from your details, target role, skills, and cover note - entirely in your browser.
Text tools
List Converter
Convert a list between new lines, commas, tabs, semicolons, or a custom separator in your browser.
Text tools
List Randomizer
Shuffle a newline, comma, tab, semicolon, or custom-separated list locally in your browser, then copy or download the result.
Text tools
Markdown to PDF
Turn a small, documented Markdown subset into a real PDF locally in your browser.
Text tools
Number to Words Converter
Convert whole numbers into clear English words in your browser, with support for negative values and comma-separated input.
Text tools
PDF Pages per Sheet
Arrange PDF pages on paper sheets in a browser with 2, 4, or custom rows and columns.
Text tools
PDF Signature Information Inspector
Read structural digital-signature metadata from a local PDF in your browser, without uploading it or making a trust decision.
Text tools
PDF to EPUB
Create a local EPUB 3.3 from a PDF with embedded text where available or page-image XHTML, without uploading the document.
Text tools
PDF to Markdown (Text Transcript)
Extract existing text objects from a local PDF into a UTF-8 Markdown transcript, with one fenced text block per page.
Text tools
PDF to Text
Extract embedded text from a local PDF in your browser and download it as UTF-8 text, with page and output limits.
Text tools
PDF to TIFF Converter
Rasterize selected PDF pages as a bounded, uncompressed 8-bit RGB TIFF locally in your browser.
Text tools
Phone Parser & Formatter
Clean and format a phone number with focused country and output options, using transparent browser-side heuristics.
Text tools
Rasterize PDF
Render every page of a local PDF into pixels and package the result as a new image-based PDF in your browser.
Text tools
Rearrange PDF Pages
Reorder, duplicate, or remove PDF pages locally with an explicit page list and a downloadable PDF preview.
Text tools
Remove PDF Metadata
Remove eight standard PDF Info fields locally and download a rewritten PDF without uploading your document.
Text tools
Remove PDF Pages
Delete selected pages from a local PDF and download a clean PDF in your browser.
Text tools
Scanned PDF Converter
Give a local PDF or image a subtle scanned-paper appearance and download a new image-based PDF in your browser.
Text tools
Sign PDF
Add a visible handwritten, typed, or image signature to a local PDF and download a new application/pdf file.
Text tools
Swap CSV Columns
Swap two columns in a CSV file or pasted CSV text locally in your browser.
Text tools
Text to ASCII Binary
Convert plain ASCII text to its 8-bit binary representation in your browser, with optional spaces and line breaks preserved.
Text tools
Text to PDF
Turn plain text into a real PDF in your browser with page size, font size, margins, wrapping, and a local download.
Text tools
Text to Unicode
Convert text to readable Unicode code point notation or decode U+XXXX values back to text locally in your browser.
Text tools
Transpose CSV
Transpose CSV rows and columns in your browser without uploading your data.
Text tools
Twitter Ad Revenue Estimator
Estimate a scenario-based Twitter (X) ad revenue range from impressions, eligible reach, CPM, and an assumed creator share.
Text tools
Google Fonts Pair Finder
Explore a small set of curated Google Fonts heading and body pairs, inspect copyable CSS, and opt in to a remote font preview.
Text tools
Bionic Reading Converter
Preview text with adjustable word-prefix emphasis in your browser while preserving every space, line break, number, and punctuation mark.
Text tools
Text to Handwriting Converter
Turn English text into a handwriting-style A4 preview with device fonts, paper, ink, spacing, and margin controls, then download PNG pages locally.
Text tools
Emoji Picker
Find a curated set of emoji by name or category, choose a skin tone where supported, build text, and copy it locally in your browser.
Text tools
ASCII Text Drawer
Draw short US-ASCII text as a copyable fixed-width banner with local 5 × 5 letterforms, line wrapping, and a TXT download.
Text tools
Numeronym Generator
Turn words into standard numeronyms locally, keeping their first and last displayed characters with a visible count between them.
Text tools
URL Slug Generator
Turn a title into a lowercase URL slug with hyphens, optional Unicode letters, and local processing in your browser.
Text tools
Case Converter
Convert text to lowercase, uppercase, title case, sentence case, or toggle case locally while preserving whitespace and line breaks.
Text tools
Duplicate List
Repeat a list from 2 to 100 times in your browser, with explicit separators, whole-list or per-item order, and optional reversed copies.
Text tools
List Frequency Counter
Count how often each list item appears locally, with literal separators, case and whitespace controls, predictable tie order, and three result formats.
Text tools
Unique List Items
Extract distinct values or only values that occur exactly once, with literal separators, case and whitespace controls, and stable input order.
Text tools
Group List
Split a list into fixed-size groups locally, with literal separators, optional wrappers, empty-item control, and padding for the final group.
Text tools
Reverse List
Reverse the order of list items locally, with separate literal input and output separators plus explicit whitespace and empty-item controls.
Text tools
Rotate List
Move list items left or right by a chosen number of positions locally, with literal separators and explicit whitespace and empty-item controls.
Text tools
Shuffle List
Randomly shuffle an English list in your browser with unbiased Web Crypto sampling, comma or line input, duplicate controls, and copy-ready output.
Text tools
Sort List
Sort list items alphabetically, numerically, or by Unicode length in your browser, with stable ties and explicit duplicate controls.
Text tools
Truncate List
Keep the first or last number of list items in your browser, with literal separators and explicit whitespace and empty-item controls.
Text tools
Unwrap List
Remove exact text from the left and right edges of every list item locally, with single-level or repeated unwrapping.
Text tools
Wrap List
Add exact text to the left and right edges of every list item locally, with one or more wrapping layers and literal separators.
Text tools
Censor Text
Hide exact words or phrases in text locally with Unicode-aware whole-term matching, symbol masks, or fixed replacement text.
Text tools
Create Palindrome
Create mirrored palindromes locally by appending or prepending a Unicode-aware reversal, with optional shared center and per-line processing.
Text tools
Email Extractor
Extract practical email addresses from text locally, with duplicate controls, Unicode domain support, and optional Punycode output.
Text tools
Extract Substring
Extract a substring by a clear 1-based position and length, using Unicode grapheme or code-point indexing with optional per-line reversal.
Text tools
Hidden Character Detector
Find selected bidirectional controls, zero-width format characters, unusual spaces, and control codes with precise Unicode positions.
Text tools
Join Strings
Join one string per line with an exact preset or custom separator, optional blank-line removal, and predictable end trimming.
Text tools
Palindrome Checker
Check a whole text or each line for palindrome symmetry with explicit Unicode normalization, filtering, and comparison-unit rules.
Text tools
Quote Text
Wrap a complete text or every line in straight, curly, international, or custom quote marks with explicit inner-quote handling.
Text tools
Randomize Case
Randomize letter case locally with browser cryptography, a selectable uppercase probability, and explicit ASCII or Unicode scope.
Text tools
Repeat Text
Repeat a complete text a bounded number of times with an exact preset or custom literal separator, entirely in your browser.
Text tools
Reverse Text
Reverse a complete text or each line by displayed grapheme clusters or Unicode code points, with explicit trimming and empty-line rules.
Text tools
Text to NATO Alphabet
Convert A–Z text to the standard ICAO/NATO spelling alphabet in your browser, or decode NATO code words back to letters.
Text tools
ROT13 Encoder & Decoder
Apply the reversible ROT13 substitution to ASCII letters locally while preserving case and every other character exactly.
Text tools
Rotate Text
Cyclically shift a complete text or each line left or right by displayed grapheme clusters or Unicode code points.
Text tools
Split Text
Split text by a literal separator, an isolated regular expression, a Unicode-aware length, or an exact number of balanced pieces.
Text tools
Text to Morse Code
Encode supported text as International Morse code or decode Morse back to text, with explicit signal symbols and error handling.
Text tools
Truncate Text
Shorten complete text or every line to an exact Unicode-aware maximum while keeping the beginning or ending and optionally adding an indicator.
Text tools
Unicode Text Converter
Encode browser text as JavaScript-style four-digit Unicode escape sequences or decode strict \uXXXX sequences locally.
Text tools
URL Editor
Parse an absolute web-style URL, edit its components and ordered query parameters, then rebuild a standards-normalized URL locally.
Text tools
Word Counter
Count Unicode whitespace-separated words, code points, bytes, lines, paragraphs, sentence estimates, and reading or speaking time locally.
Text tools
Whitespace Cleaner
Trim, collapse, and reshape pasted whitespace locally while choosing whether line breaks stay, compress, or become spaces.
Text tools
Line Sorter
Sort up to 50,000 pasted lines in your browser with alphabetical, natural-number, or exact Unicode order, stable ties, and a TXT download.
Text tools
Duplicate Line Remover
Remove duplicate lines locally with first or last occurrence control, exact or trimmed matching, case options, blank-line handling, and a duplicate count.
Text tools
Lorem Ipsum Generator
Generate bounded Lorem Ipsum placeholder text by paragraphs, sentences, or exact word count, with an optional reproducible seed.
Code, data & QR
153 toolsCode tools
CSS Box Shadow Generator
Build one or more CSS box-shadow layers with live local preview, offsets, blur, spread, color, opacity, inset support, and copy-ready CSS.
Code tools
CSS Gradient Generator
Create linear or radial CSS gradients with two to six ordered color stops, live preview, and a copy-ready background declaration.
Code tools
CSS Cubic Bézier Generator
Tune a CSS cubic-bezier() timing function with four explicit control values, common easing presets, a timing graph, and a live animation comparison.
Code tools
QR Code Generator
Turn plain text or a URL into a downloadable PNG QR code in your browser, with no account or remote page navigation.
Code tools
Arithmetic Sequence Calculator
Calculate terms, sums, and a finite arithmetic sequence from a first term, common difference, and term count in your browser.
Code tools
Barcode Generator
Generate a clean Code 128 barcode from text in your browser and download it as an SVG.
Code tools
Base64 File Converter
Convert a local file to Base64 text or a complete data URL in your browser, with MIME and size details.
Code tools
Basic Auth Header Generator
Create an HTTP Basic Authorization header from a username and password entirely in your browser.
Code tools
Bcrypt Hash Generator
Generate bcrypt password hashes locally in your browser with a selectable cost factor from 4 to 15.
Code tools
Benchmark Builder
Build a small browser benchmark, run repeatable JavaScript tasks, and compare operations per second without uploading your code.
Code tools
BIP39 Passphrase Generator
Generate a random BIP39 passphrase string locally with the Web Crypto API. This tool does not create wallet mnemonics.
Code tools
Byte Converter
Convert bits and bytes between decimal and binary storage units, including KB, MB, GB, and KiB.
Code tools
Cable Voltage Drop Calculator
Calculate cable voltage drop, drop percentage, load voltage, and loop resistance from cable length, current, and conductor resistance.
Code tools
Camera Recorder
Record a webcam and microphone video locally in your browser, review it, and download a video file without uploading it.
Code tools
Change PDF Page Size
Change local PDF pages to A4, Letter, Legal, or a custom size in your browser with fit or crop placement.
Code tools
Check Leap Years
Check whether a year is a leap year and list leap years across an inclusive range in your browser.
Code tools
Chmod Calculator
Convert Linux and Unix file permissions between chmod numbers and symbolic notation in your browser.
Code tools
Chronometer
Use a precise browser-based chronometer to measure elapsed time with start, pause, and reset controls.
Code tools
Code to Image Converter
Turn source code into a polished PNG code card locally, with theme and font-size controls and no upload.
Code tools
Color Shades Generator
Generate a readable scale of lighter and darker color shades from HEX or RGB values, with copyable CSS variables and color formats.
Code tools
Compare PDFs
Compare two local PDFs visually, page by page, with a transparent pixel threshold and privacy-first browser processing.
Code tools
Compress Video
Re-encode a short local video at a lower browser-recording bitrate and download its actual WebM or MP4 result.
Code tools
Convert Days to Hours
Convert days to hours with decimal support, clear unit definitions, and local input validation.
Code tools
Convert Hours to Days
Convert hours to standard 24-hour days locally, including fractional days and a clear unit explanation.
Code tools
Convert Seconds to Time
Convert a number of seconds into days, hours, minutes, and seconds with a clear, copy-ready breakdown.
Code tools
Convert Time to Decimal
Convert HH:MM:SS time into decimal hours, minutes, and seconds with explicit rounding.
Code tools
Convert Time to Seconds
Convert an HH:MM:SS duration to total seconds with clear validation and instant browser-only results.
Code tools
Convert Unix Timestamp to Date
Convert Unix timestamps to readable UTC and local dates with seconds and milliseconds support.
Code tools
Crontab Generator
Build a readable Linux or Unix cron schedule from minute, hour, day, month, and weekday fields, then copy the complete crontab line locally.
Code tools
Crontab Guru
Explain a standard five-field cron expression in clear English and validate its ranges, lists, wildcards, and steps locally.
Code tools
Crop Video
Crop a short local video to exact pixel boundaries in your browser and download the recorded result in the format your browser actually supports.
Code tools
CSS Formatter & Beautifier
Format, beautify, or minify CSS locally in your browser with readable indentation and safe handling of comments and strings.
Code tools
CSS Minifier
Minify CSS in your browser by removing comments and unnecessary whitespace while preserving strings and declarations.
Code tools
CSS Text Glitch Effect Generator
Create a CSS text glitch effect with local color, offset, and speed controls, a motion-aware preview, and copyable HTML and CSS.
Code tools
CSS Triangle Generator
Create a CSS border triangle in eight directions, adjust its size and color, preview it locally, and copy compact HTML and CSS.
Code tools
CSV to XML Converter
Convert CSV files or pasted comma-separated data to readable XML locally in your browser, with safe escaping and predictable column names.
Code tools
CSV to YAML Converter
Convert CSV data to readable YAML in your browser with quoted fields, empty values, and duplicate-column checks.
Code tools
Date Weekday Calculator
Find the weekday for any calendar date with a fast, private browser calculator.
Code tools
Time Between Dates
Calculate the exact time between two dates in days, weeks, hours, minutes, and seconds in your browser.
Code tools
Device Information
View your browser, operating system, screen, viewport, and device capability details locally without sending data to a server.
Code tools
Discord Timestamp Generator
Generate Discord timestamp markup with a date, time zone, and display format, entirely in your browser.
Code tools
Docker Run to Compose Converter
Convert a common docker run command into a readable Docker Compose service locally in your browser.
Code tools
Encrypt / Decrypt Text
Encrypt and decrypt text locally in your browser with AES-GCM and a password-derived key. Nothing is uploaded.
Code tools
Escape JSON
Escape or unescape JSON locally, with separate handling for complete JSON values and JSON string literals, clear parse errors, and copy or download output.
Code tools
ETA Calculator
Estimate the time remaining and finish time for a task from its progress and current completion speed.
Code tools
Extract Audio
Extract a browser-decodable video audio track locally and download a real 16-bit WAV file.
Code tools
Find Incomplete CSV Records
Find incomplete or inconsistent records in CSV data by checking each row against the expected number of fields in your browser.
Code tools
Flip Video
Flip a browser-decodable video horizontally or vertically, preview the result, and download a newly recorded video locally.
Code tools
Generate Number Sequence
Generate an arithmetic number sequence from a starting value, step, and count directly in your browser.
Code tools
Git Cheatsheet
Search a practical Git command cheatsheet by task, copy commands, and review safe everyday workflows in your browser.
Code tools
Hash Text
Generate SHA-1, SHA-256, SHA-384, or SHA-512 hashes from text locally in your browser with the Web Crypto API.
Code tools
HMAC Generator
Generate HMAC-SHA-256, HMAC-SHA-384, or HMAC-SHA-512 signatures locally in your browser with the Web Crypto API.
Code tools
HTML Formatter
Format, prettify, or compact HTML locally in your browser with safe parsing, readable indentation, and copy or download output.
Code tools
HTML Minifier
Minify HTML in your browser by removing safe comments and formatting whitespace while preserving preformatted content.
Code tools
HTML WYSIWYG Editor
Edit rich text in a browser-based WYSIWYG editor and export cleaned HTML locally without an account or upload.
Code tools
HTTP Status Codes
Search a practical reference of HTTP status codes by number, name, category, or meaning, with copy-ready values for web development.
Code tools
Fake IBAN Generator
Generate clearly labelled, checksum-valid fictional IBAN examples for testing forms and demos in your browser.
Code tools
IBAN Validator
Validate and parse an IBAN locally: normalize its format, check supported country structure, and verify the MOD-97 checksum in your browser.
Code tools
Integer Base Converter
Convert exact integers between bases 2 and 36 in your browser, including prefixes, negative values, and arbitrarily large numbers.
Code tools
IPv4 Address Converter
Convert and validate IPv4 addresses between dotted decimal, binary, hexadecimal, and 32-bit integer formats in your browser.
Code tools
IPv4 Range Expander
Expand an IPv4 start and end address into every address in the inclusive range, with a safe output limit and local copy or download.
Code tools
IPv4 Subnet Calculator
Calculate an IPv4 network, broadcast address, subnet mask, host range, and usable host count in your browser.
Code tools
IPv6 ULA Generator
Generate random IPv6 Unique Local Address prefixes and example addresses locally, with clear RFC 4193 guidance and one-click copying.
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JavaScript Formatter
Format JavaScript locally in your browser with readable indentation, safe token handling, and no code execution.
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JavaScript Minifier
Minify JavaScript in your browser by removing comments and safe formatting whitespace while preserving strings and template literals.
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JSON Diff Checker
Compare two JSON documents locally with stable paths, sorted object keys, and a clear added, removed, or changed summary.
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JSON to TOML Converter
Convert JSON objects to readable TOML locally, with explicit support limits for values, keys, arrays, and nested objects.
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JSON to XML Converter
Convert JSON to safe, readable XML locally with normalized element names, repeated array nodes, and copy or download output.
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JSON Tree Viewer
Explore JSON as an expandable tree in your browser, with readable paths, value types, and local parsing.
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JWT Encoder / Decoder
Decode a JSON Web Token header and payload locally, then inspect its signature metadata without verifying it.
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JWT Parser
Parse a JSON Web Token header, payload, Base64URL segments, and standard time claims locally in your browser.
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Keycode Info
Press any keyboard key to inspect its JavaScript key, code, keyCode, location, and modifier state in your browser.
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MAC Address Generator
Generate random MAC addresses locally with your preferred format, quantity, and locally administered address option.
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MAC Address Lookup
Look up a small local list of common MAC address prefixes and see an explicit unknown result for anything outside it.
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Math Evaluator
Evaluate safe mathematical expressions in your browser with standard operators, constants, and functions.
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MD5 Encrypt/Decrypt
Generate an MD5 digest locally for non-secure checksums and lookups. MD5 is not encryption and cannot be decrypted.
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MIME Type Lookup
Look up common MIME types by file extension or type name with a fast, browser-only reference table.
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Ohm's Law Calculator
Calculate voltage, current, resistance, and power with Ohm's law in your browser.
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Open Graph Meta Generator
Generate escaped Open Graph and Twitter Card meta tags locally, with a social preview and copy or download output.
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OTP Code Generator
Generate secure one-time passcodes in your browser with the Web Crypto API.
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Overlay PDF
Overlay mapped pages from one local PDF onto another, with deliberate scaling, alignment, and opacity controls.
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Password Strength Analyser
Analyse password length, character variety, and estimated crack resistance privately in your browser.
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PDF Merger
Merge 2 to 20 local PDF files in your chosen order and download one real application/pdf file, entirely in your browser.
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PDF to PNG Converter
Convert selected pages of a PDF to PNG images locally in your browser, with scale and pixel limits.
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View PDF
Preview a local PDF file in your browser without uploading it, with a clear file-size and type check.
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Percentage Calculator
Calculate percentages, percentage changes, increases, decreases, and reverse percentages locally in your browser.
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Random Number Generator
Generate secure random integers in an inclusive range with browser cryptography, bounded output, and optional unique values.
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Random Port Generator
Generate random TCP or UDP port numbers in a chosen range with browser cryptography and one-click copying.
Code tools
React Native Shadow Generator
Generate React Native shadow styles for iOS and Android with live preview, color, opacity, offset, blur, and elevation controls.
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Regex Memo
Search a practical English regular-expression cheat sheet by category, then copy a pattern with one click.
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Regex Tester
Test a JavaScript regular expression against text locally, inspect matches and capture groups, and get clear syntax errors.
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Resize Video
Resize a short browser-decodable video locally and download the newly encoded WebM or MP4 video.
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RGBA to HEX Converter
Convert CSS rgba(), rgb(), or numeric color values to six or eight digit HEX, RGB, and CSS output in your browser.
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Roman Numeral Converter
Convert whole numbers and standard Roman numerals between decimal and Roman notation in your browser.
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Rotate Video
Rotate a browser-decodable video 90°, 180°, or 270° locally and download a newly encoded WebM video.
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RSA Key Pair Generator
Generate an RSA-OAEP public and private key pair locally in your browser and export both keys as PEM files.
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Safelink Decoder
Decode common URL, Base64, and redirect-parameter wrappers locally so you can inspect a link without opening it or making a network request.
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Set PDF Viewer Preferences
Set supported PDF viewer preferences in a local PDF and download the updated file without uploading it.
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SHA-1 Hash
Generate a SHA-1 hexadecimal digest from text locally in your browser with the Web Crypto API. SHA-1 is a one-way hash, not decryptable encryption.
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SHA-224 Hash
Generate standards-compliant SHA-224 cryptographic digests from text locally in your browser.
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SHA-256 Hash
Generate a SHA-256 hash from text locally in your browser with the Web Crypto API.
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SHA-384 Hash
Generate a SHA-384 cryptographic digest from text locally in your browser with the Web Crypto API.
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SHA-512 Hash
Generate a SHA-512 hash from text locally in your browser with the Web Crypto API.
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Slackline Tension Calculator
Estimate horizontal and support tension in a uniformly loaded slackline from span, sag, and line load.
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Sort JSON
Format and sort JSON locally by recursively ordering object keys, with optional array sorting, compact output, and downloads.
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Sphere Surface Area Calculator
Calculate the surface area of a sphere from its radius or diameter with a clear formula and local browser processing.
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Sphere Volume Calculator
Calculate the volume of a sphere from its radius in your browser using the formula V = 4/3πr³.
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PDF Splitter
Split selected pages and ranges from one local PDF into separate, real PDF downloads in your browser.
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SQL Formatter
Format SQL locally in your browser with readable indentation, preserved strings and comments, and no database connection.
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String Obfuscator
Obfuscate or restore short strings locally with reversible Base64, hexadecimal, Unicode escape, and ROT13 formats.
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Stringify JSON
Minify and stringify JSON locally with safe parsing, optional recursive key sorting, and copy or download output.
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Sum Numbers
Add a list of positive or negative decimal numbers in your browser with clear separator and precision validation.
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SVG Blob Generator
Generate a smooth, deterministic SVG blob from a seed, bounded point count, regularity, size, fill, and opacity controls.
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SVG Pattern Generator
Create repeatable SVG dot, grid, diagonal, or checker patterns locally, preview them instantly, and download a standalone SVG file.
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SVG Placeholder Generator
Create a bounded SVG image placeholder with colors, a short label, alignment, copyable markup, data URI, and local SVG download.
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SVG Stroke to Fill Converter
Convert a deliberately limited set of SVG line strokes into inspectable filled SVG paths and circles in your browser.
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Temperature Converter
Convert temperatures between Celsius, Fahrenheit, and Kelvin instantly in your browser with clear physical bounds and precise results.
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Secure Token Generator
Generate secure random tokens in your browser with a custom length, character set, and batch size using the Web Crypto API.
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TOML to JSON Converter
Convert common TOML configuration into formatted JSON locally in your browser, with clear limits for unsupported TOML types.
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TOML to YAML Converter
Convert TOML configuration to readable YAML locally, with clear boundaries for TOML types, dates, arrays, and tables.
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Trim Audio
Trim a locally decoded audio file to an exact time range in your browser and download the result as a 16-bit WAV.
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Trim Video
Trim a browser-decodable video locally, preview the selected range, and download the browser’s actual WebM or MP4 recording.
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TSV to JSON Converter
Convert tab-separated values to clean JSON locally, with quoted fields, multiline cells, empty values, and array or object output.
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ULID Generator
Generate sortable ULIDs locally with standard Crockford Base32 encoding, batch output, copying, and TXT download.
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URL Parser
Parse, normalize, and inspect URL components locally without opening the address or making a network request.
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User-Agent Parser
Parse a browser user-agent string locally and show its raw value plus broad browser, operating system, and device details.
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Validate JSON
Validate, format, and diagnose JSON locally with parser position details, type summaries, and safe size limits.
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WiFi QR Code Generator
Create a scannable WiFi QR code from your network name and password in your browser, with no upload or account.
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XML Formatter
Format or compact XML locally with selectable indentation, safe parsing, clear error locations, and copy or download output.
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XML to JSON Converter
Convert XML into readable JSON locally, with attributes, repeated elements, and text nodes mapped clearly for review or download.
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Validate XML
Validate XML locally with root element, node counts, parser diagnostics, and a formatted result you can copy or download.
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YAML Formatter & Prettifier
Format, prettify, or compact YAML locally in your browser with clear indentation limits and parse errors.
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YAML to TOML Converter
Convert YAML objects to readable TOML locally, with clear limits for values, keys, arrays, and nested objects.
Code tools
CSS Loader Generator
Create original spinner, dots, or bars CSS loaders with live motion and reduced-motion previews, then copy local HTML and CSS.
Code tools
CSS Clip-Path Generator
Create common CSS polygon clip-path shapes, edit bounded percentage points, inspect a local preview, and copy the final declaration.
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CSS Glassmorphism Generator
Generate a glassmorphism CSS panel with adjustable colors, transparency, blur, saturation, border, radius, and shadow.
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CSS Checkbox Generator
Design an accessible custom checkbox with live checked, unchecked, disabled, and keyboard-focus previews, then copy local HTML and CSS.
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CSS Switch Generator
Design an accessible CSS switch from a native checkbox, preview checked, unchecked, disabled, and focus states, then copy HTML and CSS.
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CSS Background Pattern Generator
Create original CSS gradient patterns with color, tile, detail, and stripe-angle controls, preview them locally, and copy ready CSS.
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CSS Border Radius Generator
Generate CSS border-radius shorthand with four independent corner controls, px or percentage units, and a live preview.
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JSON Formatter
Validate, pretty-print, or compact JSON in your browser with clear parse errors and no code execution.
Code tools
Base64 Encoder & Decoder
Encode Unicode text as Base64 or decode a Base64 string back to UTF-8 text locally, with invalid input errors you can act on.
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URL Encoder & Decoder
Encode or decode a URL component locally with explicit percent-encoding behavior and useful malformed input errors.
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JSON to CSV Converter
Convert a JSON object or array of objects to RFC 4180-style CSV locally, with nested-value handling and optional spreadsheet formula protection.
Code tools
CSV to JSON Converter
Convert comma-, semicolon-, tab-, or pipe-separated data to JSON locally, with strict quote handling and optional conservative type detection.
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JSON to YAML Converter
Convert valid JSON to readable YAML 1.2 locally, with explicit indentation and line-wrapping controls.
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YAML to JSON Converter
Convert one YAML 1.2 document to JSON locally, with bounded aliases, safe integer handling, and clear unsupported-value errors.
Code tools
Markdown to HTML Converter
Convert Markdown to sanitized HTML locally, with optional GitHub Flavored Markdown, line-break handling, a sandboxed preview, and HTML download.
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HTML Encoder & Decoder
Encode text as HTML entities or decode HTML5 named and numeric character references locally, with explicit range and semicolon rules.
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Date & Time Converter
Convert a date and time or Unix timestamp locally, with explicit seconds, milliseconds, browser-local, and UTC interpretations.
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Strong Random Password Generator
Generate one or more random passwords locally with browser cryptography, selectable character groups, and an option to remove ambiguous characters.
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UUID Generator
Generate one to 100 random version 4 UUIDs in your browser using crypto.randomUUID, then copy the ready list.
Code tools
Truncate Clock Time
Truncate a clock time down to a minute, 5, 15, or 30 minutes, an hour, or a custom minute interval locally.
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